package j03exception;

public class J1 {
    public static void main(String[] args) {
//        int a = 4/0;
//        System.out.println(a);
        f1();
        System.out.println("===end==");
    }

    public static void f1() {
        int a = 3;
        int b = 4;
        f1();
    }
}
